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That it actually quite simple and nifty. It reminds me of the 4 priorities RPC requests can have within the Google stack. 0 being if this fails it will result in a big fat error for the user to 3, we don’t care if this fails because we will run the analysis job again in a month or so.

IIRC in macOS you do need to pass the voucher, it isn’t inherited automatically. Linux has no knowledge of it, so first it has to be introduced as a concept and then apps have to start using it.





Being explicit is a good thing. Especially for async threads they may handle work for many different clients with different priorities and may delegate work to other processes.

There is automatic priority donation across a handful of APIs



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